the head of scotland yard. sir paul stevenson resigned. he insisted he had no involvement in his force's failure to investigate widespread alleged criminal acts by murdoch's journalists. nor the alleged bribery of police officers by reporters. >> i had no knowledge of the extent of this disgraceful practice. or indeed to the extent of it. and the repugnant nature of the selection of victims that is now emerging. >> reporter: and there is more. rebekah brooks, just days ago she was at the apex of power running rupert murdoch's british operations. it is said he considered her his other daughter. on friday, she resigned from the company. she was arrested. the tenth arrest since this scandal erupted two weeks ago. brooks was editor of "the news of the world" from 2000 to 2003, when much of the alleged criminal activity took place. she has insisted she knew nothing about it. >> there's no way that a reporter can come in with the kind of salacious, page one stories that "the news of the world" was running without an editor saying, how'd you get